If this happens, the user can put the computer in VGA mode, bypassing the problem and still allowing the display to work so that he or she can use the computer to fix the problem. This can be useful if there is a problem with one of the other display drivers, or when changing a graphics card, which can cause Windows® to not boot properly. VGA ModeĬomputers also come with the ability to run in VGA mode, in which it only uses the VGA driver instead of any other type of graphics display system.
A person might need to download these if he or she updates the Basic Input/Output System ( BIOS) or changes to a different OS that doesn't come with a VGA driver already installed. There are also different types of VGA drivers that are compatible with different types of software - for instance, Windows® XP or Windows® Mobile - that can be downloaded for both PCs or phones. Manufacturers typically include the correct display driver within the mobile operating system, so that users do not need to install it themselves, but there are downloads available for phones that don't come with them. The small screens found in cell phones and other portable units do not require high resolutions, so VGA is often sufficient for these devices. Some mobile devices also come with this type of driver.
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